The 1998 Coen brothers film has such a rabid underground following that it's managed to inspire an online Church of the Latter-Day Dude, a speaking tour featuring Jeff 'the Dude' Dowd (the independent film consultant credited with inspiring the film's main character), an online petition calling for Jeff Bridges (the film's star) to run for president in 2008, and, oh yeah, a drinking game.

But perhaps the greatest display of obsessive behavior from Lebowski lovers is Lebowski Fest. A multiple-day event where fans come together across the country to pay homage to the object of their cinematic affection."